Directx
DirectX is an API (application program interface) which acts as the intermediate for handling various tasks that is related to the multimedia and the games in Microsoft's Windows. It is introduced by the Microsoft for the users to provide
updates to the computer memory to provide them excellent and the fast
speed for performing various multi-media and games operations on any
personal computer.
DirectX is part of Microsoft's larger vision of an object-oriented development environment. For example, a sprite is created as an instance of a sprite class. Developers can also take advantage of Microsoft's set of prepackaged routines or small programs that are part of the Microsoft Foundation Class Library.
DirectX is designed so that some functions can be performed on a graphics accelerator card, freeing the microprocessor for other work. The accelerator manufacturer provides a driver especially for DirectX.